| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Amelia ROGERS | 12 | Middlesboro | 1:50.36 |
| 2 | 3 | Aditi PRASAD | 15 | Middlesboro | 1:35.20 |
| 3 | 5 | Isobel DALEY | 17 | Middlesboro | 1:18.91 |
| 4 | 7 | Isabella MONTAGUE | 19 | Middlesboro | 1:14.25 |
| 5 | 6 | Charlotte BASHFORD | 16 | Middlesboro | 1:18.14 |
| 6 | 4 | Natasha RICE | 16 | Middlesboro | 1:32.19 |
| 7 | 2 | Ananya PRASAD | 12 | Middlesboro | 1:38.16 |